package com.hage.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.hage.reggie.common.R;
import com.hage.reggie.dto.SetmealDto;
import com.hage.reggie.entity.Category;
import com.hage.reggie.entity.Setmeal;
import com.hage.reggie.service.CategoryService;
import com.hage.reggie.service.SetmealDishService;
import com.hage.reggie.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
@Api(tags = "套餐相关接口")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",key = "#setmealDto.categoryId+'_'+#setmealDto.status")
    @ApiOperation(value = "套餐新增接口")
    public R<String> save(@RequestBody SetmealDto setmealDto){
        //log.info(""+setmealDto);
        setmealService.saveWithDish(setmealDto);
        System.out.println();
        return R.success("新增套餐成功");
    }


    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    @ApiOperation(value = "套餐分页查询接口")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "page",value = "页码",required = true),
            @ApiImplicitParam(name = "pageSize",value = "每页记录数",required = true),
            @ApiImplicitParam(name = "name",value = "套餐名称",required = false)
    })
    public R<Page> page(int page,int pageSize,String name){

        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name!=null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");

        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item)->{
            SetmealDto setmealDto=new SetmealDto();

            BeanUtils.copyProperties(item,setmealDto);

            //分类Id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }

            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);

        return R.success(dtoPage);
    }


    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    @ApiOperation(value = "套餐删除接口")
    public R<String> delete(@RequestParam List<Long> ids){

        //log.info(ids.toString());

        setmealService.removeWithDish(ids);

        return R.success("套餐数据删除成功");
    }


    /**
     * 根据id查询套餐信息 和 对应的套餐菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation(value = "套餐根据id查询接口")
    public R<SetmealDto> get(@PathVariable Long id){
        //log.info("id = {}",id);

        SetmealDto setmealDto = setmealService.getByIdWithDish(id);

        return R.success(setmealDto);
    }


    /**
     * 修改套餐
     * @param setmealDto
     * @return
     */
    @PutMapping
    @ApiOperation(value = "套餐修改接口")
    public R<String> update(@RequestBody SetmealDto setmealDto){
        //log.info("setmealDto = {}",setmealDto);
        setmealService.updateWithDish(setmealDto);
        return R.success("套餐修改成功");
    }

    /**
     * 根据条件查询套餐接口
     * @param setmeal
     * @return
     */

    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+'_'+#setmeal.status")
    @ApiOperation(value = "套餐条件查询接口")
    public  R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }


}
